Tie down buckle



FIG. 1 is a perspective view of a tie down buckle according to an embodiment of the invention.

FIG. 2 is a end elevational view of the tie down buckle depicted in FIG. 1.

FIG. 3 is a side elevational view of the tie down buckle according to another embodiment of the invention; and,

FIG. 4 is a planform view of the tie down buckle according to another embodiment of the invention. 

I claim the ornamental design for tie down buckle, as shown. 